Construction · Calculator
Rebar Weight Calculator
Calculate the total weight of rebar based on size, length, and quantity.
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Rebar Weight Calculator
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Estimate the total weight of reinforcing steel (rebar) for your concrete project.
Formula
Weight = quantity × length × unit weightStep-by-step
- Look up unit weight by bar size
- Multiply by length for per-bar weight
- Multiply by quantity for total weight
Example
Ten #5 bars at 20 ft each = 167 lb total.
FAQ
What are the unit weights?+
#3: 0.376 lb/ft, #4: 0.668 lb/ft, #5: 1.043 lb/ft, #6: 1.502 lb/ft, #7: 2.044 lb/ft, #8: 2.67 lb/ft, #9: 3.4 lb/ft, #10: 4.303 lb/ft, #11: 5.313 lb/ft.
Why calculate rebar weight?+
For ordering, transport planning, and cost estimation.
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